Elsevier's Reference Modules, which were released on the company's scientific database ScienceDirect, have been set up to mirror in some ways traditional sets of reference encyclopedias containing up-to-date information about a branch of study. Elsevier still plans to release its print reference works, but the company has embraced the digital format with Reference Modules and the advantages it holds over the older print method, which traditionally saw publishers releasing new sets of encyclopedias every 5-7 years.

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